Terrebonne Weather in September

September is one of the excellent months to visit Terrebonne, with daytime temperatures of 22°C (72°F) and lows of 10°C (50°F) at night. Do note that quite a bit of rainfall is typical, averaging around 99 mm (3.9 in).

Rainfall in Terrebonne in September

Historically, the month has about 12 days of rain, averaging 99 mm (3.9 in) in total. When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.

Temperature in Terrebonne in September

The excellent temperature in Terrebonne in September makes it a solid month to visit, with 22°C (72°F) during the day and 10°C (50°F) at night. This kind of day-to-night contrast is typical for this time of year. With overnight lows of 10°C (50°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.

Sunshine in Terrebonne in September

The month experiences a moderate amount of sunlight, with 183 hours of sunshine. This provides a nice balance between sunshine and clouds.

Wind Speed in Terrebonne in September

September has wind speeds averaging 5 m/s (10 knots). You can expect gentle to moderate winds that move small trees and make flags wave steadily on typical days. Conditions typically range from light breezes to moderate winds.

Average water temperature in September

With water at 20°C (68°F), conditions are good for swimming and other water activities. You won't need a wetsuit and most people find it very comfortable.

If you favor pleasant temperatures and minimal rainfall, September is one of the best months to visit Terrebonne.

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Canada, check out our Terrebonne's climate page.

Terrebonne Temperature in September

Min Temperature 10°C (50°F)  

Max Temperature 22°C (72°F)  

Water Temperature 20°C (68°F) *  

Chance of Rain 39%  

Precipitation 99 mm (3.9 in)  

Rainy days 12 days  

Humidity 60% *  

Windspeed 5 m/s (10 knots) *  

Sunshine 183 hours *  

Percentage Sunshine 49% *  

* Data from: Montréal, Canada (22 KM, 14 Miles).

What to Wear in Terrebonne in September

For Terrebonne in September, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. The water temperature sits at about 20°C (68°F), making it perfect for swimming and water activities. Don't forget to pack your favorite swimwear and perhaps some snorkel gear. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Terrebonne in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

6/10

Cycling

9/10

Walking

9/10

Camping

8/10

Outdoor sports

9/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Canada, check out our Terrebonne's climate page.

More climate data for Terrebonne

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

See the full Terrebonne climate overview or explore weather in Canada.